John henry mcgovern and james harvey willson



(No Model.)'

J. H. MOGOVERN & J. H. WILLSON.

WATER CLOSET VENTILATOR. No. 323,707. Patented Aug; 4, 1885.

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UNITED STATES PATENT OFFICE.

JOHN HENRY MOGOVERN AND JAMES HARVEY \VILLSON, OF DETROIT, MIC H.

WATER-CLOSET VENTILATOR.

SPECIFICATION forming part of Letters Patent No. 323,707, dated August 4, 1835.

Application filed March 18, 1885.

This invention relates to certain new and useful improvements in ventilating attachments especially designed for the water-closets of railway-cars; and the invention consists in the peculiar construction of the seat-cover to the hopper, in combination with a ventilating-pipe which projects above the roof of the car and is provided with a suitable hood, while its lower end passes through such seat-cover and discharges its current of air between the walls of the hopper and an internal ring therein, the area of the annular space surrounding the lower end of such ring being smaller than the area of the ventilating-pipe, which has a branch pipe adapted to ventilate the urinal,

the air being forced through such branch pipe.

by the back-pressure caused by the difference in the two areas referred to when the car is in motion, all constructed and arranged as more fully hereinafter set forth.

All the closets of railway-cars as ordinarily constructed are provided with no means for ventilation or with means for flushing or washing the hopper and urinal with water. Consequently, particularly in warm weather, the odors of the closet enter the car to the annoyance of the passengers and causing them to be continually inhaling a poisonous atmosphere; and it is the object of this invention to remedy this evil.

Figure 1 in'the drawings is a section through the water-closet corner of a car, showing the arrangement of our ventilator. Fig. 2 is aplau of the seat-cover, and in which A represents the soil-closet or seat, and B the urinal, which are of the usual construction, except as hereinafter described.

0 represents a ventilating-pipe, the upper end of which projects through the roof of the car, as shown, and is provided upon its end with a hood, D. The lower end of the pipeO passes through a suitable opening in the cover (No model.)

of the seat A, which is cut away for that purpose,to allow the ventilating-pipe to discharge in as nearly a vertical line as possible, so as to discharge its current of air into the case of the seat A, between it and the outer walls of the bowl E, without loss of force or velocity. As the case of the seat is generally in the form of an inverted truncated cone, the walls of the internal ring are nearly vertical, the lower edge of such ring terminating within a short distance of the inclined, wall of the hopper, thus forming an annular space, a, around the bowl, contracted at its lower end, and the area of the annular space at the lower end of the bowl is considerably less than the area of the pipe G.

F is a branch pipe which. leads from the pipe 0, as shown, down nearly to the urinal B, immediately above its discharge-pipe, as shown. The hood D is so secured and constructed to the upper end of the ventilating-pipe that when the car is in motion the mouth of the hood will be presented in the direction of the movement of the car,thus collecting and forcing a current of air down the ventilator-pipe O, discharging into the annular space a around the bowl, and as the area of this space is less by considerable than the area of the pipe, all of the air or current forced down the pipe 0 cannot escape at this point, and such excess is forced down the pipe E to the urinal below and down through the discharge-pipe. This current being kept up during the time that the car is in motion, it discharges through the discharge ends beneath the car of the closet and urinal, necessarily continually changing the air in the closet-room proper, and thoroughly and effectually preventing the escape go of any foul air or odors into the car.

We are aware that air-ventilator pipes are in use for car-closets, where the air is discharged into the hopper at nearly a right angle to the vertical part of the pipe; but we do 5 not claim any part of such devices, as we find a'nearly-vertical discharge to be much more effective in producing satisfactory results.

\Ve are aware of the Patent No. 75,010, of 1868, in which a downward-draft pipe enters the side of the hopper; but in such case the interior hopper acts to choke the current and destroy the force of the stream of air. In our device the current is unobstructed and its direction corresponds with the vertical plane of urinal of a railway-ear, the downward draft the hopper. ventilator-pipes O and F, the former of which Vhat we claim as our invention is is provided with a hood, D, and both of which 15 1. In combination with the watereloset and discharge their currents of air in a vertical 5 urinal of a railway-car, a downward draft line, or nearly so, substantially as and for the ventilating-pipe, O, which discharges its cnrpurposes set forth.

rent of air into the annular space a between the internal ring and hopper in a vertical line, i g

or nearly so, through the top of the seat-cover, j J M J J 10 the parts being constructed and operating sub- Vitnesses:

stantially as andfor the purposes described. H. S. SPRAGUE,

2. In combination with the water-closet and E. J. ScULLY. 

